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python Programming Glossary: sometimesIs Python any good for GUI development? [closed] http://stackoverflow.com/questions/115495/is-python-any-good-for-gui-development no effort the same source works on Linux and the Mac sometimes you need some tweaks for visual anomalies . I generally develop..
Showing the stack trace from a running Python application http://stackoverflow.com/questions/132058/showing-the-stack-trace-from-a-running-python-application a process will be running for a long time but gets stuck sometimes for unknown and irreproducable reasons. Its a bit hacky and..
Why does comparing strings in Python using either '==' or 'is' sometimes produce a different result? http://stackoverflow.com/questions/1504717/why-does-comparing-strings-in-python-using-either-or-is-sometimes-produce does comparing strings in Python using either ' ' or 'is' sometimes produce a different result I've got a python program where..
In Python, what is the difference between '/' and '//' when used for division? http://stackoverflow.com/questions/183853/in-python-what-is-the-difference-between-and-when-used-for-division floating point division and the latter is floor division sometimes also called integer division. In Python 2.2 or later in the..
What's the best solution for OpenID with Django? http://stackoverflow.com/questions/2123369/whats-the-best-solution-for-openid-with-django as he is at the forefront of trendsetting in Djangoland I sometimes have difficulties wrapping my head around his trends e.g. the..
How to initialize a two-dimensional array in Python? http://stackoverflow.com/questions/2397141/how-to-initialize-a-two-dimensional-array-in-python EXPRESSION for item in some_iterable which is shorter and sometimes clearer. Usually you get in the habit of recognizing these and..
How to clone a list in python? http://stackoverflow.com/questions/2612802/how-to-clone-a-list-in-python Obviously the slowest and most memory needing method but sometimes unavoidable. Example import copy class Foo object def __init__..
How do I get the path of the current executed file in python? http://stackoverflow.com/questions/2632199/how-do-i-get-the-path-of-the-current-executed-file-in-python the location of the main script being executed. After all sometimes the script didn't come from a file at all. For example it could..
String comparison in Python: is vs. == [duplicate] http://stackoverflow.com/questions/2988017/string-comparison-in-python-is-vs does comparing strings in Python using either ' ' or 'is' sometimes produce a different result 10 answers I noticed a Python..
Python: single instance of program http://stackoverflow.com/questions/380870/python-single-instance-of-program Take into consideration that program is expected to fail sometimes i.e. segfault so things like lock file won't work Update the..
What does `if __name__ == “__main__”:` do? http://stackoverflow.com/questions/419163/what-does-if-name-main-do shown there. One of the reasons for doing this is that sometimes you write a module a .py file where it can be executed directly...
How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII http://stackoverflow.com/questions/4198804/how-to-reliably-guess-the-encoding-between-macroman-cp1252-latin1-utf-8-and The problem domain is biomedical text mining so we sometimes deal with extensive and extremely large corpora like all of..
Comprehension for flattening a sequence of sequences? http://stackoverflow.com/questions/457215/comprehension-for-flattening-a-sequence-of-sequences of tuples I can use itertools.chain to flatten it. But sometimes I feel like I would rather write it as a comprehension. I just..
http://stackoverflow.com/questions/472000/python-slots one dict for every object that uses slots. While this is sometimes a useful optimization it would be completely unnecessary if..
How to clear python interpreter console? http://stackoverflow.com/questions/517970/how-to-clear-python-interpreter-console of past commands and prints gets to be cluttered and sometimes confusing when re running the same command several times. I'm..
What is the best way to implement nested dictionaries in Python? http://stackoverflow.com/questions/635483/what-is-the-best-way-to-implement-nested-dictionaries-in-python e.g. if I just want to go state by state . Basically sometimes I want to think of a nested dictionary as a flat dictionary.. to think of a nested dictionary as a flat dictionary and sometimes I want to think of it indeed as a complex hierarchy. I could..
Why do you need explicitly have the “self” argument into a Python method? http://stackoverflow.com/questions/68282/why-do-you-need-explicitly-have-the-self-argument-into-a-python-method variable names that make it impossible to deduce. So you sometimes need it and sometimes don't. Python elects to make things like.. make it impossible to deduce. So you sometimes need it and sometimes don't. Python elects to make things like this explicit rather..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python of three fields each usually about 20 chars wide though sometimes more . Code char input_a 512 char input_b 32 char input_c 512..
How can I profile a SQLAlchemy powered application? http://stackoverflow.com/questions/1171166/how-can-i-profile-a-sqlalchemy-powered-application python sqlalchemy profiler share improve this question Sometimes just plain SQL logging enabled via python's logging module or..
How can I normalize a URL in python http://stackoverflow.com/questions/120951/how-can-i-normalize-a-url-in-python urllib import urlparse def url_fix s charset 'utf 8' Sometimes you get an URL by a user that just isn't a real URL because..
Multiple versions of Python on OS X Leopard http://stackoverflow.com/questions/1218891/multiple-versions-of-python-on-os-x-leopard wrong with having multiple versions of Python around. Sometimes it's a necessity when using applications with version dependencies...
Python: is using “..%(var)s..” % locals() a good practice? http://stackoverflow.com/questions/1550479/python-is-using-vars-locals-a-good-practice name ... print hello name s you are age s years old locals Sometimes I use its cousin def example2 obj print The file at path s has..
python: list vs tuple, when to use each? http://stackoverflow.com/questions/1708510/python-list-vs-tuple-when-to-use-each each In Python when should you use lists and when tuples Sometimes you don't have a choice for example if you have hello s you..
What do you wish you'd known about when you started learning Python? [closed] http://stackoverflow.com/questions/1710363/what-do-you-wish-youd-known-about-when-you-started-learning-python will make the task much simpler or even do it all for me Sometimes there won't be any but more often than not you'll find excellent..
Python style: multiple-line conditions in IFs http://stackoverflow.com/questions/181530/python-style-multiple-line-conditions-in-ifs style multiple line conditions in IFs Sometimes I break long conditions in IFs to several lines. The most obvious..
Efficient bidirectional hash table in Python? http://stackoverflow.com/questions/3318625/efficient-bidirectional-hash-table-in-python is a very useful datastructure d 'a' 1 'b' 2 d 'a' # get 1 Sometimes you'd also like to index by values. d 1 # get 'a' Which is the..
Are there any static analysis tools for Python? http://stackoverflow.com/questions/35470/are-there-any-static-analysis-tools-for-python imports are used # W0614 Unused import from wildcard # Sometimes disabled depending on how bad a module is # C0111 Missing docstring..
Process escape sequences in a string in Python http://stackoverflow.com/questions/4020539/process-escape-sequences-in-a-string-in-python escape sequences in a string in Python Sometimes when I get input from a file or the user I get a string with..
Is there a way to detach matplotlib plots so that the computation can continue? http://stackoverflow.com/questions/458209/is-there-a-way-to-detach-matplotlib-plots-so-that-the-computation-can-continue program does further calculations. Is it possible at all Sometimes calculations are long and it would help if they would proceed..
http://stackoverflow.com/questions/5073767/how-can-i-efficiently-process-a-numpy-array-in-blocks-similar-to-matlabs-blkpro to numpy is not all ways the best way to proceed. Sometimes a 'off the hat' thinking is needed. Caveat In general implementations..
http://stackoverflow.com/questions/509211/pythons-slice-notation one element you get an empty list instead of an error. Sometimes you would prefer the error so you have to be aware that this..
How can you profile a Python script? http://stackoverflow.com/questions/582336/how-can-you-profile-a-python-script asking how to time the execution of their solutions. Sometimes the given answers are somewhat kludgey i.e. adding timing code..
Python rounding error with float numbers http://stackoverflow.com/questions/5997027/python-rounding-error-with-float-numbers as a floating point number it needs to be approximated. Sometimes the closest approximation will be less than the actual number...
Is it pythonic for a function to return multiple values? http://stackoverflow.com/questions/61605/is-it-pythonic-for-a-function-to-return-multiple-values single function returns multiple values list in Lisp . Sometimes it is sufficient to return x y instead of Point x y . Named..
Relationship between scipy and numpy http://stackoverflow.com/questions/6200910/relationship-between-scipy-and-numpy same oftentimes even pointing to the same function object. Sometimes they're different. To give an example that came up recently..
How would you implement a basic event-loop? http://stackoverflow.com/questions/658403/how-would-you-implement-a-basic-event-loop to all the CPU cycles while you're sleeping Depends. Sometimes another process will have a use for them. If not your OS will..
http://stackoverflow.com/questions/84340/why-learn-perl-python-ruby-if-the-company-is-using-c-c-sharp-or-java-as-the that isn't part of the main software you are developing. Sometimes the task is one off ie compare this file to the database and..
Why return NotImplemented instead of raising NotImplementedError http://stackoverflow.com/questions/878943/why-return-notimplemented-instead-of-raising-notimplementederror is quite commonly used indirectly in list sorts and such. Sometimes the algorithm will choose to try another way or pick a default..
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